1.Due to the fact that finished atomizers maintains the strengths of stable flavor and easy operation, they are more suitable for the new vapers or the vapers who don’t have the time or don’t want to build coils.

2.After a long time development, RTA starts to polarize into two directions. One is the mouth-to-lung RTA that focuses on the flavor of the oil. Another one is the direct-to-lung RTA that focuses on huge vapor and long duration time. The simplest way to distinguish them is size of the air inlet.

3.RDA also polarizes into two directions, one is oriented to the huge vapor and the other one is oriented to the flavor. Vapers can distinguish them by the size of the warehouse and air inlet. Generally speaking, the flavor-oriented RDA has smaller atomization warehouse and air inlet.

4.RDTA is equivalent to a RDA with a oil tank. Such design is to improve problem of RDA that it has low oil storage in the cotton.

After evolving for so many years, there appear various atomizers in the market according to the different requirements of the vapers. All in all, all the innovative structures aim at bringing better vaping experience to the vapers.